Home / 5,336.40-8,001.72-2,413.20

Finding the Fourth Proportional to 5,336.40, 8,001.72 and 2,413.20

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Solution

The fourth proportional to 5,336.40, 8,001.72 and 2,413.20 is: 3,618.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.40 : 8,001.72 = 2,413.20 : x
  2. Step 2: Convert to fraction form
    5,336.40/8,001.72 = 2,413.20/x
  3. Step 3: Cross multiply
    5,336.40x = 8,001.72 × 2,413.20
  4. Step 4: Simplify right side
    5,336.40x = 19,309,750.70
  5. Step 5: Solve for x
    x = 19,309,750.70/5,336.40
  6. Step 6: Final answer
    x = 3,618.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.